Revert "Revert "Removing AM.getTasks call on UI thread during touch down"" am: 7ee087f53f am: 39cc2701b1

Original change: https://googleplex-android-review.googlesource.com/c/platform/packages/apps/Launcher3/+/17802989

Change-Id: I6d550ceb087c6dac67ab6ce54aefc1de8f62c5e4
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>